Table 2 Birth-related and medical characteristics of patients with ARFID as a function of age group
|  | Age group 0–5 years | Age group 6–17 years | Test | p | |ES| | ||
|---|---|---|---|---|---|---|---|
M (SD) | n | M (SD) | n | ||||
Birth-related characteristics | |||||||
 Week of birth | 37.74 (3.40) | 23 | 38.46 (3.79) | 26 | F(1, 48) = 0.649 | 0.424 | 0.199 |
 Preterm birth (< 37 + 0) (n, %) | 12 (52.17) | 23 | 6 (21.40) | 26 | Fisher’s exact test | 0.043 | 0.301 |
 Birth Weight, g | 2681.09 (1011.62) (Median 2895.00) | 23 | 3094.37 (872.42) (Median 3280.00) | 27 | F(1, 48) = 2.407 | 0.127 | 0.440 |
 Birth length, cm | 47.52 (5.70) (Median 49.00) | 23 | 48.38 (5.61) (Median 50.00) | 27 | F(1, 48) = 0.997 | 0.323 | 0.152 |
 Small for gestational age (birth weight < 10th percentile) | 7 (30.40) | 23 | 4 (14.30) | 25 | Fisher’s exact test | 0.311 | 0.172 |
 C-section (n, %) | 9 (50.00) | 18 | 8 (38.10) | 21 | Fisher’s exact test | 0.528 | 0.120 |
 Complications (n, %) | 20 (90.91) | 22 | 15 (55.56) | 27 | Fisher’s exact test | 0.010 | 0.389 |
 Complications during pregnancy | 13 (65.00) | 20 | 9 (36.00) | 25 | Fisher’s exact test | 0.075 | 0.288 |
 Complications of birth | 11 (61.11) | 18 | 10 (38.46) | 26 | Fisher’s exact test | 0.220 | 0.233 |
 Complications postnatal | 14 (82.35) | 17 | 8 (32.00) | 25 | Fisher’s exact test | 0.002 | 0.495 |
 Invasive procedure postnatal | 16 (69.57) | 23 | 3 (11.11) | 27 | Fisher’s exact test |  < 0.001 | 0.600 |
Medical characteristics (n, %) | |||||||
 Mental and/or physical comorbidities/conditions | 20 (86.96) | 23 | 20 (74.07) | 27 | Fisher’s exact test | 0.308 | 0.161 |
 Mental comorbidities | 3 (13.04) | 23 | 16 (59.26) | 27 | Fisher’s exact test | 0.001 | 0.475 |
 Mood (affective) disorders (ICD: F30–39) | 0 (0.00) | 23 | 9 (33.33) | 27 | Fisher’s exact test | 0.002 | 0.432 |
 Pervasive disorders (ICD: F84) | 0 (0.00) | 23 | 1 (3.70) | 27 | Fisher’s exact test | 0.999 | 0.132 |
Neurotic disorders (ICD: F40–48) | 1 (4.35) | 23 | 4 (14.81) | 27 | Fisher’s exact test | 0.357 | 0.174 |
 Behavioural disorders (ICD: F90–98) | 2 (8.70) | 23 | 5 (18.52) | 27 | Fisher’s exact test | 0.430 | 0.141 |
 Physical comorbidities/conditions (n, %) | 19 (82.61) | 23 | 10 (37.04) | 27 | Fisher’s exact test | 0.002 | 0.460 |
 Gastrointestinal diseases | 6 (26.09) | 23 | 8 (29.63) | 27 | Fisher’s exact test | 0.999 | 0.039 |
 Metabolic disorders | 2 (8.70) | 23 | 2 (7.41) | 27 | Fisher’s exact test | 0.999 | 0.024 |
 Respiratory distress | 6 (26.09) | 23 | 2 (7.41) | 27 | Fisher’s exact test | 0.121 | 0.254 |
 Congenital anomalies | 12 (52.17) | 23 | 1 (3.70) | 27 | Fisher’s exact test |  < 0.001 | 0.551 |